i have tried it. but some reason it doesnt work. Let me explain u the setup first. I have a win xp machine connected through a high speed internet. on other hand i have gprs enable on my n900. i am unable to ssh from my xp machine to n900 using putty. however i tried to ping the public ip address which my n900 has accquired and not sure why i am unable to ping n900 ip from win xp machine also . can u let me know if the setup which i explained will / should work. please do let me know incase i have missed something. sorry if i am troubling u guys.